Grubby AI vs StealthWriter:Which is searched more?
In September 2026, StealthWriter had more branded searches than Grubby AI among AI humanizer tools worldwide. StealthWriter had about 135,000 branded searches, while Grubby AI had 110,000. StealthWriter made up 18.5% of all AI humanizer tool searches we track, and Grubby AI accounted for 15.1%. These are worldwide searches for English-language branded terms.
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Is Grubby AI or StealthWriter more popular in search?
Compare the tools that rewrite AI-generated text so it reads more like a person wrote it. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.
Share of searches by month for StealthWriter, Grubby AI. The figures are in the table below the chart.
View monthly share of searches table
| Month | Humbot | StealthWriter | Grubby AI | BypassGPT | QuillBot | Phrasly | WriteHuman | HIX Bypass | Undetectable AI | Walter Writes | Humanize AI Pro |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 17.8% | 14.6% | 6.6% | 32.6% | 9% | 1.3% | 5.4% | 9.8% | 1.2% | 1.3% | 0.39% |
| Nov 2025 | 16.6% | 16.6% | 16.6% | 24.8% | 7.4% | 1.2% | 5% | 9.1% | 1.1% | 1.5% | 0.3% |
| Dec 2025 | 21.2% | 17.4% | 11.6% | 21.2% | 8.5% | 1.3% | 5.2% | 9.5% | 1.7% | 1.9% | 0.38% |
| Jan 2026 | 23.5% | 19.3% | 10.6% | 19.3% | 7.9% | 1.4% | 4.7% | 7.1% | 3.5% | 2.1% | 0.42% |
| Feb 2026 | 20.1% | 16.5% | 9.1% | 9.1% | 25.1% | 1.5% | 4.1% | 4.1% | 8.4% | 1.8% | 0.36% |
| Mar 2026 | 19.9% | 19.9% | 10.9% | 10.9% | 22.3% | 1.8% | 4% | 4% | 3.6% | 2.2% | 0.36% |
| Apr 2026 | 17.3% | 21.2% | 14.2% | 11.6% | 9.9% | 2.9% | 4.3% | 4.3% | 2.6% | 2.3% | 9.5% |
| May 2026 | 16.4% | 16.4% | 11% | 11% | 30.6% | 2.7% | 3.3% | 4% | 2.4% | 1.8% | 0.44% |
| Jun 2026 | 17.7% | 11.9% | 6.5% | 6.5% | 43.9% | 2.4% | 2.9% | 3.6% | 3% | 1.3% | 0.39% |
| Jul 2026 | 17.2% | 11.5% | 5.2% | 5.2% | 43.5% | 1.9% | 2.3% | 2.3% | 9.7% | 1% | 0.3% |
| Aug 2026 | 16% | 10.7% | 5.9% | 8.8% | 48.4% | 2.2% | 2.6% | 2.2% | 2% | 0.96% | 0.35% |
| Sep 2026 | 27.5% | 18.5% | 15.1% | 12.4% | 9.8% | 4.5% | 4.5% | 3% | 2.1% | 2% | 0.6% |
How has the Grubby AI and StealthWriter comparison changed over the last 12 months?
3 findings
- StealthWriter was ahead of Grubby AI in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Grubby AI’s share of searches among AI humanizer tools worldwide moved from 6.6% to 15.1%, and its estimated monthly branded searches moved from 90.5K to 110K.
- Across the 12 months ending September 2026, StealthWriter’s share of searches among AI humanizer tools worldwide moved from 14.6% to 18.5%, and its estimated monthly branded searches moved from 201K to 135K.
How did search popularity change for AI humanizer tools worldwide in September 2026?
2 changes
In September 2026, StealthWriter overtook QuillBot to rank 2nd among AI humanizer tools worldwide, with 18.5% of the searches.
In September 2026, Grubby AI overtook QuillBot and BypassGPT to rank 3rd among AI humanizer tools worldwide, with 15.1% of the searches.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Grubby AI’s and StealthWriter’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Grubby AI
1 branded search term
- grubby ai
StealthWriter
1 branded search term
- stealthwriter
Other head-to-heads among AI humanizer tools
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